MC
Mary Chandler — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Bremer-County, Iowa
Our Model Tree links this Mary Chandler across the 1930 and 1940 US Censuses in Bremer-County, Iowa (XGBoost, ~Confirmed) — first a daughter (b.~1924), then head of a 9-person household.
Age 16
b. ~1924
Female
Daughter
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Bremer-County, Iowa |
| Surname | Chandler |
| Given Name | Mary Louise |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Polk Township |
| 1935 Residence (County) | Bremer |
| Additional Details | |
| Highest Grade | Hs 10 |
| 1935 Residence | Same house |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Township / Ward | Polk Township |
| Est. Birth Year | ~1924 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| William Chandler | Head | — | 49 | ~1891 |
| Gladys Chandler | Daughter | — | 15 | ~1925 |
| Joseph Chandler | Son | — | 20 | ~1920 |
| Donna Chandler | Daughter | — | 7 | ~1933 |
| Nelly Chandler | Spouse | — | 43 | ~1897 |
| Mary Chandler | Daughter | — | 16 | ~1924 |
| Leon Chandler | Son | — | 17 | ~1923 |
| Loren Chandler | Son | — | 5 | ~1935 |
| Virginia Chandler | Daughter | — | 13 | ~1927 |
Census Appearances
1930
Chickasaw, Iowa
Daughter, age 6
Chickasaw, Iowa · implied b. ~1924 — 13 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Chandler |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Bremer-County, Iowa
Daughter, age 16
Bremer-County, Iowa · implied b. ~1924 — 9 household members
| Surname | Chandler |
| Given Name | Mary Louise |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Polk Township |
| 1935 Residence (County) | Bremer |
| Highest Grade | Hs 10 |
| 1935 Residence | Same house |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links Mary Chandler across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Chandler
Daughter · 1940 · age 16 · b. ~1924 · Iowa
★ You are viewing this record
Sibling
Gladys Chandler
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Loren Chandler
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Virginia Chandler
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Leon Chandler
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donna Chandler
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Chandler
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Bremer-County, Iowa
Open full size
1940 US Federal Census — Bremer-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01142-00282)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Larry L. Bussey | 1 | son | — | Iowa |
| 2 | Willie E. Hicks | 77 | head | — | Pennsylvania |
| 3 | Caroline Hicks | 78 | wife | — | New York |
| 4 | Henry F. Bischoff | 66 | head | Farmer | Iowa |
| 5 | Emma Bischoff | 55 | wife | — | Iowa |
| 6 | Clarence H. Bischoff | 26 | son | Farm Laborer | Iowa |
| 7 | Jeanette Bischoff | 14 | daughter | — | Iowa |
| 8 | George B. Jordan | 65 | head | Farmer | Ohio |
| 9 | Maude N. Jordan | 46 | wife | — | South Dakota |
| 10 | Arthur R. Ingersoll | 78 | son-in-law | — | Iowa |
| 11 | William W. Chandler | 49 | head | Farmer | Illinois |
| 12 | Nelly Chandler | 43 | wife | — | Illinois |
| 13 | Joseph M. Chandler | 20 | son | Farm Laborer | Iowa |
| 14 | Leon G. Chandler | 17 | son | Farm Laborer | Iowa |
| 15 | Mary Louise Chandler THIS PERSON | 16 | daughter | — | Iowa |
| 16 | Gladys Gail Chandler | 15 | daughter | — | Iowa |
| 17 | Virginia Esther Chandler | 13 | daughter | — | Iowa |
| 18 | Donna Jane Chandler | 7 | daughter | — | Iowa |
| 19 | Loren William Chandler | 5 | son | — | Iowa |
| 20 | William Christman | 59 | head | Farmer | Iowa |
| 21 | Edith Christman | 58 | wife | — | Iowa |
| 22 | John Hastings | 26 | hired hand | Farm Laborer | Iowa |
| 23 | Edna Cook | 21 | lodger | Teacher | Iowa |
| 24 | William S. Jackson | 67 | head | Farmer | Iowa |
| 25 | Minnie Jackson | 64 | wife | — | Iowa |
| 26 | Glen G. White | 36 | head | Farmer | Iowa |
| 27 | Mildred White | 33 | wife | — | Iowa |
| 28 | Leonard G. White | 14 | son | — | Iowa |
| 29 | Amy Lou White | 13 | daughter | — | Iowa |
| 30 | Roger H. White | 5 | son | — | Iowa |
| 31 | William H. Fox | 62 | head | Farmer | Pennsylvania |
| 32 | May Fox | 57 | wife | — | Iowa |
| 33 | Lola Fox | 35 | daughter | — | Iowa |
| 34 | Roy E. Fox | 32 | son | Farmer | Iowa |
| 35 | Robert L. King | 25 | lodger | — | North Dakota |
| 36 | Matthias Franzen | 27 | head | Farmer | Iowa |
| 37 | Laura Franzen | 24 | wife | — | Iowa |
| 38 | Norma Jean Franzen | 4 | daughter | — | Iowa |
| 39 | Edward P. Franzen | 3 | son | — | Iowa |
| 40 | Daniel A. Franzen | 1 | son | — | Iowa |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)